CVE-2026-0420

An improper implementation of TLS certificate validation vulnerability found in NETGEAR's ReadyCloud client app which could allow an attacker to perform attacker-in-the-middle MiTM style attacks impacting the product's confidentiality. This vulnerability affects the listed NETGEAR models...

CVE-2026-42771

CVE-2026-42771 describes a vulnerability in OpenSSL where an internal helper used by X509_VERIFY_PARAM_set1_email/set2_email validates the local part of an email addresses and may not enforce the 64-octet limit, causing an out-of-bounds read. This can lead to a crash (DoS) when an application pro...

CVE-2026-42769 Trust-Anchor Substitution via cert/issuer Typo in CMP rootCaKeyUpdate

Issue Summary: An error in the callback used to verify the certificate provided in a Root CA key update Certificate Management Protocol CMP message response rendered the certificate validation ineffectual, which could lead to escalation of credentials from the Registration Authority RA level to t...

CVE-2026-42769 Trust-Anchor Substitution via cert/issuer Typo in CMP rootCaKeyUpdate

Issue Summary: An error in the callback used to verify the certificate provided in a Root CA key update Certificate Management Protocol CMP message response rendered the certificate validation ineffectual, which could lead to escalation of credentials from the Registration Authority RA level to t...

CVE-2026-42769 Trust-Anchor Substitution via cert/issuer Typo in CMP rootCaKeyUpdate

Issue Summary: An error in the callback used to verify the certificate provided in a Root CA key update Certificate Management Protocol CMP message response rendered the certificate validation ineffectual, which could lead to escalation of credentials from the Registration Authority RA level to t...

CVE-2026-42769

Issue Summary: An error in the callback used to verify the certificate provided in a Root CA key update Certificate Management Protocol CMP message response rendered the certificate validation ineffectual, which could lead to escalation of credentials from the Registration Authority RA level to t...

CVE-2026-42768 Multi-RecipientInfo Bleichenbacher Oracle in CMS_decrypt() and PKCS7_decrypt()

Issue summary: The CMSdecrypt and PKCS7decrypt functions are vulnerable to Bleichenbacher-style attack when an attacker is able to provide the CMS or S/MIME messages and observe the error code and/or decryption output. Impact summary: The Bleichenbacher-style attack allows an attacker to use the...

CVE-2026-42768

Issue summary: The CMSdecrypt and PKCS7decrypt functions are vulnerable to Bleichenbacher-style attack when an attacker is able to provide the CMS or S/MIME messages and observe the error code and/or decryption output. Impact summary: The Bleichenbacher-style attack allows an attacker to use the...

CVE-2026-42768 Multi-RecipientInfo Bleichenbacher Oracle in CMS_decrypt() and PKCS7_decrypt()

Issue summary: The CMSdecrypt and PKCS7decrypt functions are vulnerable to Bleichenbacher-style attack when an attacker is able to provide the CMS or S/MIME messages and observe the error code and/or decryption output. Impact summary: The Bleichenbacher-style attack allows an attacker to use the...

CVE-2026-42769

Summary: CVE-2026-42769 arises from an error in the CMP Root CA key rollover verification in OpenSSL. A typo in the certificate chain building code caused the verifier to add the wrong certificate ("newWithOld" instead of the intended "oldRoot") to the chain, rendering the verification ineffectiv...

CVE-2026-42769

Issue Summary: An error in the callback used to verify the certificate provided in a Root CA key update Certificate Management Protocol CMP message response rendered the certificate validation ineffectual, which could lead to escalation of credentials from the Registration Authority RA level to t...

CVE-2026-42767 NULL Pointer Dereference in CRMF EncryptedValue Decryption

Issue summary: An attacker-controlled CMP Certificate Management Protocol server could trigger a NULL pointer dereference in a CMP client application. Impact summary: A NULL pointer dereference causes a crash of the application and a Denial of Service. An attacker controlling a CMP server or acti...

CVE-2026-42767

The CVE-2026-42767 issue affects the OpenSSL CMP client: processing a CRMF CertRepMessage with EncryptedValue where symmAlg has an OID but no parameters can trigger a NULL pointer dereference, crashing the CMP client and enabling DoS. The vulnerability is due to improper handling during CMP respo...

CVE-2026-42767

Issue summary: An attacker-controlled CMP Certificate Management Protocol server could trigger a NULL pointer dereference in a CMP client application. Impact summary: A NULL pointer dereference causes a crash of the application and a Denial of Service. An attacker controlling a CMP server or acti...

CVE-2026-42767

Issue summary: An attacker-controlled CMP Certificate Management Protocol server could trigger a NULL pointer dereference in a CMP client application. Impact summary: A NULL pointer dereference causes a crash of the application and a Denial of Service. An attacker controlling a CMP server or acti...

CVE-2026-42767 NULL Pointer Dereference in CRMF EncryptedValue Decryption

Issue summary: An attacker-controlled CMP Certificate Management Protocol server could trigger a NULL pointer dereference in a CMP client application. Impact summary: A NULL pointer dereference causes a crash of the application and a Denial of Service. An attacker controlling a CMP server or acti...

CVE-2026-42767 NULL Pointer Dereference in CRMF EncryptedValue Decryption

Issue summary: An attacker-controlled CMP Certificate Management Protocol server could trigger a NULL pointer dereference in a CMP client application. Impact summary: A NULL pointer dereference causes a crash of the application and a Denial of Service. An attacker controlling a CMP server or acti...

CVE-2026-42765

Issue summary: When a partial-chain certificate verification is enabled together with OCSP response checking for the whole chain, a NULL dereference will happen if the verified chain does not have a self-signed trusted anchor, crashing the process. Impact summary: A NULL pointer dereference can...

CVE-2026-42765

CVE-2026-42765 describes a NULL dereference in certificate verification when OCSP response checking is enabled together with partial-chain verification. The issue triggers a crash (Denial of Service) if the verified chain lacks a self-signed trusted anchor, because for the last certificate the is...

CVE-2026-42765 NULL Dereference in Certificate Verification with OCSP Checking

Issue summary: When a partial-chain certificate verification is enabled together with OCSP response checking for the whole chain, a NULL dereference will happen if the verified chain does not have a self-signed trusted anchor, crashing the process. Impact summary: A NULL pointer dereference can...